000			00408nam a2200145Ia 4500
008			220217s9999||||xx |||||||||||||| ||und||
020			_a978-0-07-164494-8
082			_a005.43 DHA
100			_aDhamdhere D. M
245		0	_aOperating systems: a concept based approuch
250			_a2nd
260			_aTat mcgraw hill _bNew Delhi _c2008
300			_aXVIII, 789p. _b410
650			_aOperating systems
999			_c179780 _d179780